Method of Customizing an Electronic Image Display Device

1. A method for personalizing an image-displaying electronic device having at least one display parameter of variable value, the image-displaying electronic device being one of a plurality of image-displaying electronic devices, the image-displaying electronic device being suitable for displaying an image and for modifying the displayed image depending on the value of the display parameter, said personalizing method comprising adapting the value of the display parameter to a user by way of the following steps: a) connecting the image-displaying electronic device to a user database, determining and recording in the user database at least one value of a parameter of evaluation of the visual and oculomotor profile of the user, said at least one value comprising a measurement of the visual acuity of this user; b) connecting the image-displaying electronic device to a display database and creating, in the display database, a digital record comprising a plurality of display parameter values associated with the image-displaying electronic device and with an identifier of the image-displaying electronic device, the digital record being stored in a register of the display database comprising a plurality of digital records associated with the plurality of image-displaying electronic devices, each record of one of the plurality of image-displaying electronic devices of the register being associated with a single identifier; c) selecting, with regard to viewing by the user of an image displayed by the image-displaying electronic device, an optimum value of the display parameter from the plurality of those display parameter values of the digital record which are associated with the image-displaying electronic device in the display database, depending on said visual acuity measurement associated with this user in the user database; and d) automatically applying the optimum value of this image display parameter to the image-displaying electronic device so as to improve the recognition or the readability of the displayed image and the visual comfort of the user.

2. The method for personalizing an image-displaying electronic device as claimed in claim 1 , furthermore comprising the following steps: a1) determining a visual configuration of the user for viewing images by means of the image-displaying electronic device; b1) recording in the digital record of the user database at least one value of a parameter associated with a visual configuration of the user, said configuration being determined in step a1); and c1) selecting the optimum value of the display parameter from the plurality of display parameter values associated with the image-displaying electronic device depending on the digital record of the at least one value of a visual configuration parameter associated with this user in the user database, and on that at least one value of a parameter of evaluation of the visual and oculomotor profile which is associated with this user in the user database.

3. The method for personalizing an image-displaying electronic device as claimed in claim 1 , furthermore comprising the following steps: a2) receiving a digitized image or a digitized text to be displayed on the image-displaying electronic device and extracting at least one property of the content of this digitized image or digitized text, respectively; b2) recording in the digital record at least one value associated with a property of the content of this digitized image or digitized text, respectively; and c2) selecting the optimum value of the display parameter from the plurality of display parameter values associated with the image-displaying electronic device depending on the digital record of the at least one value associated with a property of the content of this digitized image or digitized text, respectively, and on that at least one value of a parameter of evaluation of the visual and oculomotor profile which is associated with this user.

4. The method for personalizing an image-displaying electronic device as claimed in claim 1 , furthermore comprising the following steps: a3) determining a visual activity of the user for viewing images by means of the image-displaying electronic device; b3) recording in the digital record of the user database at least one value of a parameter associated with a visual activity of the user, said activity being determined in step a3); and c3) selecting the optimum value of the display parameter from the plurality of display parameter values associated with the displaying electronic device in the display database depending on the digital record of the at least one value of a parameter associated with a visual activity of this user in the user database, and on that at least one value of a parameter of evaluation of the visual and oculomotor profile which is associated with this user in the user database.

5. The method for personalizing an image-displaying electronic device as claimed in claim 1 , in which the step a) of determining at least one value of a parameter of evaluation of the visual and oculomotor profile of this user comprises the following step a4): a4) displaying sequentially, by means of the displaying electronic device, a test image following a plurality of image magnification values, and receiving a signal from the user so as to determine a minimum image magnification value for this user; and the personalizing method furthermore comprising the following steps: b4) recording, in the digital record of the user database and of the display database, the minimum magnification value associated with this image-displaying electronic device and with this user; and d4) configuring the image-displaying electronic device so as to use a magnification higher than or equal to the minimum image magnification value.

6. The method for personalizing an image-displaying electronic device as claimed in claim 1 , in which the image-displaying electronic device comprises a sensor suitable for measuring an environmental parameter, the method comprising the steps: a5) of measuring by means of the sensor at least one value of the environmental parameter, which value is associated with the image-displaying electronic device and/or with the user; b5) of recording in the digital record the measurement of the environmental parameter; and c5) of selecting the optimum value of the display parameter depending on the digital record of the measurement of the environmental parameter.

7. The method for personalizing an image-displaying electronic device as claimed in claim 1 , in which the image-displaying electronic device comprises a speech synthesizer and in which the activation of the speech synthesizer is selected depending on the digital record comprising the plurality of those values of the display parameter which are associated with this image-displaying electronic device in the display database, and that at least one value of a parameter of evaluation of the visual and oculomotor profile which is associated with this user in the user database, and/or respectively depending on a value of a parameter associated with a visual configuration of the user in the user database, and/or depending on a value associated with a property of the content of this digitized image or digitized text, respectively, and/or depending on a value of a parameter associated with a visual activity of the user.

8. The method for personalizing an image-displaying electronic device as claimed in claim 1 , in which during step c), each parameter used to determine the optimum value of the display parameter is attributed a preset weighting coefficient.

9. The method for personalizing an image-displaying electronic device as claimed in claim 1 , in which the image-displaying electronic device comprises a display screen and is preferably chosen from a television set, a computer, an Internet terminal, a smart phone, a tablet computer, an e-reader, a personal digital assistant (PDA), a digital magnifier, a video magnifier, an electronic magnifying glass and a video projector.

10. The method for personalizing an image-displaying electronic device as claimed in claim 1 , in which the image-displaying electronic device comprises a piece of monocular or binocular informative eyewear configured to form at least one virtual image, and in that the personalizing method furthermore comprises a step: of adapting at least one value of a personalization parameter of the virtual image displayed by the piece of informative eyewear depending on the ophthalmic spectacles worn by this user, depending on the properties associated with the real background image seen by the user through the piece of informative eyewear, depending on the content of the virtual image displayed and/or depending on the ambient lighting, so as to improve the perception of the content of this virtual image by the user.

11. The method for personalizing an image-displaying electronic device as claimed in claim 10 , in which the image-displaying electronic device comprises a piece of binocular informative eyewear configured to form a right virtual image in the direction of the right eye of the user and a left virtual image in the direction of the left eye of the user and in that the personalizing method furthermore comprises a step: of adapting at least one value of a personalization parameter of the right virtual image and/or left virtual image displayed by the piece of binocular informative eyewear depending on the content of the displayed right virtual image and on the content of the displayed left virtual image so as to allow the right and left virtual images perceived by the right eye and left eye of the user, respectively, to fuse.

12. The method for personalizing an image-displaying electronic device as claimed in claim 10 , in which the at least one display parameter of variable value comprises an image magnification parameter, an image position parameter, a contrast parameter, a brightness parameter, a graphical resolution parameter, a grey level parameter or a color parameter.

13. The method for personalizing an image-displaying electronic device as claimed in claim 1 , in which the image-displaying electronic device comprises a piece of binocular informative eyewear configured to form a right virtual image in the direction of the right eye of the user and a left virtual image in the direction of the left eye of the user and in that the personalizing method furthermore comprises a step: of adapting at least one value of a personalization parameter of the right virtual image and the left virtual image displayed by the piece of binocular informative eyewear depending on the content of the displayed right virtual image and on the content of the displayed left virtual image so as to allow the right and left virtual images perceived by the right eye and left eye of the user, respectively, to fuse.

14. The method for personalizing an image-displaying electronic device as claimed in claim 1 , in which the at least one display parameter of variable value comprises an image magnification parameter, an image position parameter, a contrast parameter, a brightness parameter, a graphical resolution parameter, a grey level parameter or a color parameter.

15. An image-displaying electronic device having at least one display parameter of variable value, the device being suitable for displaying an image and for modifying the displayed image depending on the value of the display parameter, the device comprising a memory for implementing a personalizing method as claimed in claim 1 .

16. The image-displaying electronic device as claimed in claim 15 , comprising a piece of monocular or binocular informative eyewear comprising at least one display connected to an image source and configured to form at least one virtual image in front of the eye of a user wearing this piece of informative eyewear, said piece of informative eyewear being connected to a control interface and to a database in order to adapt at least one value of a personalization parameter of the displayed virtual image depending on the visual and oculomotor parameters of the user wearing this piece of informative eyewear, the configuration parameters of his ophthalmic spectacles, the properties associated with the real background image seen by the user through the piece of informative eyewear and/or depending on the content of the displayed virtual image and/or depending on the ambient lighting, so as to improve the perception of the content of this virtual image by the user.

17. The image-displaying electronic device as claimed in claim 16 , comprising a piece of binocular informative eyewear comprising a right display configured to form a right virtual image in the direction of the right eye of the user and a left display configured to form a left virtual image in the direction of the left eye of the user, said piece of informative eyewear being connected to a control interface and to a database in order to adapt at least one value of a personalization parameter of the displayed right virtual image and/or left virtual image depending on the content of the displayed right virtual image and on the content of the displayed left virtual image so as to allow the right and left virtual images perceived by the right eye and left eye of the user, respectively, to fuse.